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· · 来源:tutorial资讯

Leonardo da Vinci is usually credited with conducting the first systematic study of friction in the late 15th century, a subfield now known as tribology that deals with the dynamics of interacting surfaces in relative motion. Da Vinci's notebooks depict how he pulled rows of blocks using weights and pulleys, an approach that is still used in frictional studies today, as well as examining the friction produced in screw threads, wheels, and axles. The authors of this latest paper used an experimental setup similar to da Vinci's.

总体看,从 2 月 20 日视频发出来后,这两天迅速扩散,大概有 30%的回应是正面,中立 20%,负面占 50%。这反映了 AI 话题的两极化。一方面,它确实戳中了 AI 发展的痛点:能量是瓶颈,但技术的飞轮不能停。另一方面,技术也不能是真空的,最终得回到对人类生活的帮助和改善上。或许,如 Altman 所说,得建更多清洁能源是一种解法,但也如批评者言,无论未来出路是什么,得尊重人类独特价值。

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